Force tty allocation when running toybox tests.

Bug: http://b/142798587
Test: treehugger
Change-Id: I61cdb2c237e61246f271558197a4ac11e8639c4e
diff --git a/run-tests-on-android.sh b/run-tests-on-android.sh
index 9f9da7f..d85cca3 100755
--- a/run-tests-on-android.sh
+++ b/run-tests-on-android.sh
@@ -17,14 +17,15 @@
   green="\033[1;32m"
   red="\033[1;31m"
   plain="\033[0m"
-  dash_t="-t"
 else
   green=""
   red=""
   plain=""
-  dash_t=""
 fi
 
+# Force pty allocation (http://b/142798587).
+dash_t="-tt"
+
 test_toy() {
   toy=$1
 
@@ -61,12 +62,7 @@
   elif [ "$non_toy" = "true" ]; then
     non_toy_failures="$non_toy_failures $toy"
   else
-    if [ "$toy" = "pidof" ]; then
-      # cuttlefish is currently broken (http://b/142798587)
-      non_toy_failures="$non_toy_failures $toy"
-    else
-      failures="$failures $toy"
-    fi
+    failures="$failures $toy"
   fi
 }